<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../js/41.js"></script>
</head>
<body>
<table border="1px" id="tblSort">
    <thead>
    <tr>
        <th onclick="sortTable('tblSort')" style="cursor: pointer">Last Name</th>
    </tr>
    </thead>
    <tbody>
    <tr>
        <td>Smith</td>
        <td>John</td>
    </tr>
    <tr>
        <td>Johnson</td>
        <td>Betty</td>
    </tr>
    <tr>
        <td>Henderson</td>
        <td>Nathan</td>
    </tr>
    <tr>
        <td>Williams</td>
        <td>James</td>
    </tr>
    <tr>
        <td>Gilliam</td>
        <td>Michael</td>
    </tr>
    <tr>
        <td>Walker</td>
        <td>Matthew</td>
    </tr>
    </tbody>
</table>
</body>
</html>